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Claude Skills are markdown + scripts loaded into Claude Code; scanned with the same pipeline.
We found this by crawling public sources and nobody has attested to it. That is how most of the registry gets here, and it is not a mark against the artifact — it only means no authenticated act of publication is on record. An artifact can be the vendor's own and still appear here.
16 critical findings reported by cisco-skill-scanner, agent-audit-kit. The composite score alone does not reflect this — read the per-scanner reports below.
Claude Skills install to a single target, no runtime picker.
nerlo install -- handoff
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- handoff ~/.claude/skills/
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
5 of 11 scanners examined this package. The rest do not apply to it — language, ecosystem and packaging decide which analyzers can say anything, and a scanner that cannot examine an artifact reports nothing rather than passing it.
v1.4.0
24 findings · 0.6s
v2.0.11
608 findings · 19.9s
v0.3.74
34 findings · 10.3s
v0.1.0
0 findings · 4.9s
v0.1.0
14 findings · 4.9s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
v0.1.0
This scanner found nothing in this artifact that it assesses. What each scanner covers
0 findings · 0.9s
No report in this scan: govulncheck, osv-scanner, trivy, trivy_image.
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 22, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source ·n/a: not applicable | rejected |
Findings in files this artifact installs stand as reported; a model re-read the rest and said which ones it believes are false positives. This is a second opinion published beside the evidence, not a correction to it: the per-scanner reports above are unchanged, every dismissed finding is still listed there at its original severity, and the score and the Flagged badge are computed from those raw severities alone. Nothing below moved them.
Out of 680 findings across every scanner that examined this package. None of the 16 findings rated critical by their scanner were dismissed.
Two keys had to turn. The model had to name a reason from a fixed list of six, and a deterministic check of ours — over which files this artifact actually installs — had to independently agree. Anything it could not corroborate is in “not reviewed” above, at full severity.
131 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_MISSING_LICENSE, opt.nerlo-rules.nerlo-install-shell-inline-command · Files: /repo/docs/SKILL.md, /repo/docs/rusty-idd/SKILL.md, /repo/docs/rusty-idd/oracle-fixtures/SKILL.md and 63 more · reported by cisco-skill-scanner, nerlo-install-instruction
12 CI or editor configuration — The match is in build, CI or editor configuration, confirmed by our own check to be outside the installed artifact.
Rules: AAK-GHA-IMMUTABLE-001 · Files: .github/workflows/ai-gatekeeper.yml, .github/workflows/ci.yml, .github/workflows/differential-drive-ci.yml and 3 more · reported by agent-audit-kit
3 Agent instruction file — The match is in a file that instructs an AI coding agent — a CLAUDE.md or similar. It is documentation of intent, and our own check confirmed it is not part of what gets installed.
Rules: AAK-AGENT-003, AAK-HEALTHCARE-AI-004, HIDDEN_DATA_FILE · Files: CLAUDE.md, .kb/AGENTS.md, /repo/.kb/AGENTS.md · reported by agent-audit-kit, cisco-skill-scanner
2 Test or fixture file — The match is in a test or fixture. Our own check confirmed the file is not part of what gets installed.
Rules: FILE_MAGIC_MISMATCH · Files: /repo/vendor/syntect/tests/snapshots/public-api.txt · reported by cisco-skill-scanner
These findings are in files this artifact installs and are not placeholder values. No false-positive basis can be corroborated for such a finding, so this review never dismisses one; they were not sent to the model and stand at their scanner's severity.
331 HIDDEN_DATA_FILE
Files: /repo/crates/tui/openspec/changes/implementation-stall-detection/.openspec.yaml, /repo/crates/tui/openspec/changes/post-implementation-hook/.openspec.yaml, /repo/crates/tui/openspec/changes/tui-refresh-views/.openspec.yaml and 284 more · reported by cisco-skill-scanner
61 MANIFEST_MISSING_LICENSE
Files: /repo/.codex/skills/meta-gitkb-review/SKILL.md, /repo/.claude/skills/kernel-verify/SKILL.md, /repo/.claude/skills/grit-coordination/SKILL.md and 58 more · reported by cisco-skill-scanner
42 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/.claude/skills/handoff-discipline/SKILL.md, /repo/SKILL.md, /repo/.handoff/SKILL.md and 39 more · reported by cisco-skill-scanner
14 AAK-TAINT-002
Files: hf/src/main.rs, hf/src/bin/hf-mcp.rs · reported by agent-audit-kit
10 BINARY_FILE_DETECTED
Files: /repo/vendor/syntect/assets/default_nonewlines.packdump, /repo/vendor/syntect/assets/default_newlines.packdump, /repo/vendor/syntect/assets/default.themedump and 2 more
Critical command injection and data taint risks identified.
The artifact contains critical command injection vulnerabilities in `/repo/spike/ruvocal-mcp-bridge/index.js`, allowing shell execution. Multiple critical data taint findings are present in `hf/src/bin/hf-mcp.rs` and `hf/src/main.rs`, indicating potential for sensitive data exposure or manipulation. High severity findings also point to additional command injection from user input and hidden executable scripts, alongside potential for broad agent capabilities.
Concern level assessed by the review: Critical. This is the review's scale, not the registry badge.
Reviewed by gemini-2.5-flash. The model sees the findings, not your code, and cannot change a score.
10 UNANALYZABLE_BINARY
Files: /repo/vendor/syntect/assets/default_metadata.packdump, /repo/vendor/syntect/assets/default.themedump, /repo/vendor/syntect/assets/default_newlines.packdump and 2 more · reported by cisco-skill-scanner
7 opt.nerlo-rules.nerlo-install-shell-inline-command
Files: /repo/crates/tui/openspec/changes/archive/2026-03-08-add-tui-configuration/design.md, /repo/crates/tui/openspec/changes/run-finished-command/design.md, /repo/crates/tui/openspec/changes/run-finished-command/tasks.md · reported by nerlo-install-instruction
6 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/.handoff/loop/findings/DR1-crate-decomposition-state.md, /repo/.handoff/loop/findings/verdicts-D5.md, /repo/.handoff/loop/reports/codemap-delta-2026-06-26.md and 3 more · reported by nerlo-install-instruction
6 YARA_prompt_injection_unicode_steganography
Files: /repo/vendor/syntect/assets/default_newlines.packdump, /repo/vendor/syntect/assets/default_nonewlines.packdump · reported by cisco-skill-scanner
5 MANIFEST_INVALID_NAME
Files: /repo/crates/tui/.claude/commands/opsx/SKILL.md, /repo/.agent/SKILL.md, /repo/.claude/SKILL.md and 2 more · reported by cisco-skill-scanner
3 EXCESSIVE_FILE_COUNT
Files: /repo/., /repo/.handoff/., /repo/crates/tui/. · reported by cisco-skill-scanner
2 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/spike/ruvocal-mcp-bridge/index.js · reported by cisco-skill-scanner
2 HIDDEN_EXECUTABLE_SCRIPT
Files: /repo/.handoff/hooks/loop-entry.sh, /repo/.handoff/hooks/session-end.sh · reported by cisco-skill-scanner
2 LOW_ANALYZABILITY
Files: /repo/spike/ruvocal-mcp-bridge, /repo/vendor/syntect · reported by cisco-skill-scanner
1 AAK-HEALTHCARE-AI-004
Files: .agent/skills-catalog.md · reported by agent-audit-kit
1 AAK-IPI-WILD-CORPUS-001
Files: .handoff/loop/reports/remap-2026-06-26-fleet-sync.md · reported by agent-audit-kit
1 AAK-LEGAL-002
Files: spike/ruvocal-mcp-bridge/package.json · reported by agent-audit-kit
1 AAK-SUPPLY-005
Files: Cargo.lock · reported by agent-audit-kit
1 AAK-TRUST-004
Files: .claude/settings.json · reported by agent-audit-kit
1 AAK-TRUST-006
Files: .claude/settings.json · reported by agent-audit-kit
1 agents-no-model-agents/code-omniscient-gatekeeper.md
Files: agents/code-omniscient-gatekeeper.md · reported by agentshield
1 agents-no-model-agents/continuity-navigator.md
Files: agents/continuity-navigator.md · reported by agentshield
1 agents-no-model-agents/doc-updater.md
Files: agents/doc-updater.md · reported by agentshield
1 agents-no-model-agents/fleet-steward.md
Files: agents/fleet-steward.md · reported by agentshield
1 agents-no-model-agents/kernel-implementer.md
Files: agents/kernel-implementer.md · reported by agentshield
1 agents-no-model-agents/kernel-researcher.md
Files: agents/kernel-researcher.md · reported by agentshield
1 agents-no-model-agents/kernel-verifier.md
Files: agents/kernel-verifier.md · reported by agentshield
1 agents-no-model-agents/meta-sync-steward.md
Files: agents/meta-sync-steward.md · reported by agentshield
1 agents-no-model-agents/systems-orchestrator.md
Files: agents/systems-orchestrator.md · reported by agentshield
1 agents-no-tools-agents/code-omniscient-gatekeeper.md
Files: agents/code-omniscient-gatekeeper.md · reported by agentshield
1 agents-no-tools-agents/continuity-navigator.md
Files: agents/continuity-navigator.md · reported by agentshield
1 agents-no-tools-agents/doc-updater.md
Files: agents/doc-updater.md · reported by agentshield
1 agents-no-tools-agents/fleet-steward.md
Files: agents/fleet-steward.md · reported by agentshield
1 agents-no-tools-agents/kernel-implementer.md
Files: agents/kernel-implementer.md · reported by agentshield
1 agents-no-tools-agents/kernel-researcher.md
Files: agents/kernel-researcher.md · reported by agentshield
1 agents-no-tools-agents/kernel-verifier.md
Files: agents/kernel-verifier.md · reported by agentshield
1 agents-no-tools-agents/meta-sync-steward.md
Files: agents/meta-sync-steward.md · reported by agentshield
1 agents-no-tools-agents/systems-orchestrator.md
Files: agents/systems-orchestrator.md · reported by agentshield
1 agents-oversized-prompt-agents/code-omniscient-gatekeeper.md
Files: agents/code-omniscient-gatekeeper.md · reported by agentshield
1 agents-oversized-prompt-agents/continuity-navigator.md
Files: agents/continuity-navigator.md · reported by agentshield
1 agents-oversized-prompt-agents/meta-sync-steward.md
Files: agents/meta-sync-steward.md · reported by agentshield
1 COMMAND_INJECTION_USER_INPUT
Files: /repo/scripts/handoff-loop-init.sh · reported by cisco-skill-scanner
1 hooks-no-pretooluse
Files: settings.json · reported by agentshield
1 hooks-no-stop-hooks
Files: settings.json · reported by agentshield
1 permissions-no-deny-list
Files: settings.json · reported by agentshield
Showing 25 of 32; the rest are in the per-scanner reports above.